The valency of hydrogen and sulphate are 1 and 2 respectively. Then the formula of sulphuric acid is

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$H_{2} {SO}_{4}$

$H_{2} {SO}_{2}$

$H_{2} {SO}_{3}$

${HSO}_{4}$

answer is B.

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Detailed Solution

To find the molecular formula of the compound we should use “Criss-Cross method”. The charge on hydrogen ion $+ 1$ and the charge on sulphate ion is $- 2$ . So,the molecular formula of the compound is

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